28 May 1772:42 (2266).
Pennsylvania Gazette-Philadelphia    
PG-P.772.015                                                            
28 May 1772:42 (2266).                                                  
Just imported and to be sold by Michael Hillegas, at his                
house, in Second-street, a great variety of music,                      
consisting of solos, overtures, concertos, sonatas, duets,              
lessons, &c. of the very best authors; tutors, or books of              
instruction, for the violin, German flute, common flute,                
fife, and hautboy; besides an assortment of ruled music-                
paper, violin and guittar strings, hautboy reeds, and some              
very neat guittars, violins, German flutes, fifes, French               
horns, &c. &c.